diff options
Diffstat (limited to 'arch/arm/mach-mxs')
| -rw-r--r-- | arch/arm/mach-mxs/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/clock-mx23.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/devices-mx28.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/devices/platform-mxs-i2c.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/devices-common.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/mx23.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/uncompress.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mx23evk.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mx28evk.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-stmp378x_devb.c | 120 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/timer.c | 20 |
12 files changed, 152 insertions, 25 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4522fbb235d5..f114960622e0 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -17,6 +17,16 @@ config SOC_IMX28 comment "MXS platforms:" +config MACH_STMP378X_DEVB + bool "Support STMP378x_devb Platform" + select SOC_IMX23 + select MXS_HAVE_AMBA_DUART + select MXS_HAVE_PLATFORM_AUART + select MXS_HAVE_PLATFORM_MXS_MMC + help + Include support for STMP378x-devb platform. This includes specific + configurations for the board and its peripherals. + config MACH_MX23EVK bool "Support MX23EVK Platform" select SOC_IMX23 @@ -24,7 +34,6 @@ config MACH_MX23EVK select MXS_HAVE_PLATFORM_AUART select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB - default y help Include support for MX23EVK platform. This includes specific configurations for the board and its peripherals. @@ -39,7 +48,6 @@ config MACH_MX28EVK select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB select MXS_OCOTP - default y help Include support for MX28EVK platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 2f1f6141ca71..58e892376bf2 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o +obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o obj-$(CONFIG_MODULE_TX28) += module-tx28.o diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index c3577ea789ac..0163b6d83773 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -446,6 +446,8 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("rtc", NULL, rtc_clk) _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk) _REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk) + _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp_clk) + _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp_clk) _REGISTER_CLOCK(NULL, "usb", usb_clk) _REGISTER_CLOCK(NULL, "audio", audio_clk) _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index c473eddce8cf..79b94523954a 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -34,7 +34,7 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; #define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata) #define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata) -extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst; +extern const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst; #define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id]) extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst; diff --git a/arch/arm/mach-mxs/devices/platform-mxs-i2c.c b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c index eab3a06836d6..79222ec8ede1 100644 --- a/arch/arm/mach-mxs/devices/platform-mxs-i2c.c +++ b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c @@ -22,13 +22,14 @@ [_id] = mxs_i2c_data_entry_single(soc, _id) #ifdef CONFIG_SOC_IMX28 -const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst = { +const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst = { mxs_i2c_data_entry(MX28, 0), mxs_i2c_data_entry(MX28, 1), }; #endif -struct platform_device *__init mxs_add_mxs_i2c(const struct mxs_i2c_data *data) +struct platform_device *__init mxs_add_mxs_i2c( + const struct mxs_mxs_i2c_data *data) { struct resource res[] = { { diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index c5137f14c364..7a37469ed5bf 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -65,13 +65,14 @@ struct platform_device *__init mxs_add_flexcan( const struct flexcan_platform_data *pdata); /* i2c */ -struct mxs_i2c_data { +struct mxs_mxs_i2c_data { int id; resource_size_t iobase; resource_size_t errirq; resource_size_t dmairq; }; -struct platform_device * __init mxs_add_mxs_i2c(const struct mxs_i2c_data *data); +struct platform_device * __init mxs_add_mxs_i2c( + const struct mxs_mxs_i2c_data *data); /* mmc */ #include <mach/mmc.h> diff --git a/arch/arm/mach-mxs/include/mach/mx23.h b/arch/arm/mach-mxs/include/mach/mx23.h index c0a18c23084a..599094bc99de 100644 --- a/arch/arm/mach-mxs/include/mach/mx23.h +++ b/arch/arm/mach-mxs/include/mach/mx23.h @@ -57,7 +57,7 @@ #define MX23_AUDIOIN_BASE_ADDR (MX23_IO_BASE_ADDR + 0x04c000) #define MX23_LRADC_BASE_ADDR (MX23_IO_BASE_ADDR + 0x050000) #define MX23_SPDIF_BASE_ADDR (MX23_IO_BASE_ADDR + 0x054000) -#define MX23_I2C0_BASE_ADDR (MX23_IO_BASE_ADDR + 0x058000) +#define MX23_I2C_BASE_ADDR (MX23_IO_BASE_ADDR + 0x058000) #define MX23_RTC_BASE_ADDR (MX23_IO_BASE_ADDR + 0x05c000) #define MX23_PWM_BASE_ADDR (MX23_IO_BASE_ADDR + 0x064000) #define MX23_TIMROT_BASE_ADDR (MX23_IO_BASE_ADDR + 0x068000) diff --git a/arch/arm/mach-mxs/include/mach/uncompress.h b/arch/arm/mach-mxs/include/mach/uncompress.h index f12a1732d8b8..7f8bf6539646 100644 --- a/arch/arm/mach-mxs/include/mach/uncompress.h +++ b/arch/arm/mach-mxs/include/mach/uncompress.h @@ -20,7 +20,7 @@ #include <asm/mach-types.h> -static unsigned long mxs_duart_base; +unsigned long mxs_duart_base; #define MXS_DUART(x) (*(volatile unsigned long *)(mxs_duart_base + (x))) diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c index 214e5b641bbc..3c2de33803ab 100644 --- a/arch/arm/mach-mxs/mach-mx23evk.c +++ b/arch/arm/mach-mxs/mach-mx23evk.c @@ -148,7 +148,7 @@ static void __init mx23evk_init(void) mx23_add_auart0(); /* power on mmc slot by writing 0 to the gpio */ - ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT, + ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); if (ret) pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret); diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index bb329b9a2608..eacdc6b0e70a 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -375,13 +375,13 @@ static void __init mx28evk_init(void) mx28_add_mxsfb(&mx28evk_mxsfb_pdata); /* power on mmc slot by writing 0 to the gpio */ - ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT, + ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); if (ret) pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret); mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]); - ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_DIR_OUT, + ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc1-slot-power"); if (ret) pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret); diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c new file mode 100644 index 000000000000..7f38d82b69af --- /dev/null +++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c @@ -0,0 +1,120 @@ +/* + * board setup for STMP378x-Development-Board + * + * based on mx23evk board setup and information gained form the original + * plat-stmp based board setup, now converted to mach-mxs. + * + * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/spi/spi.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/iomux-mx23.h> + +#include "devices-mx23.h" + +#define STMP378X_DEVB_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30) +#define STMP378X_DEVB_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29) + +#define STMP378X_DEVB_PAD_AUART (MXS_PAD_4MA | MXS_PAD_1V8 | MXS_PAD_NOPULL) + +static const iomux_cfg_t stmp378x_dvb_pads[] __initconst = { + /* duart (extended setup missing in old boardcode, too */ + MX23_PAD_PWM0__DUART_RX, + MX23_PAD_PWM1__DUART_TX, + + /* auart */ + MX23_PAD_AUART1_RX__AUART1_RX | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_TX__AUART1_TX | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_CTS__AUART1_CTS | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_RTS__AUART1_RTS | STMP378X_DEVB_PAD_AUART, + + /* mmc */ + MX23_PAD_SSP1_DATA0__SSP1_DATA0 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA1__SSP1_DATA1 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA2__SSP1_DATA2 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA3__SSP1_DATA3 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_CMD__SSP1_CMD | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DETECT__SSP1_DETECT | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX23_PAD_SSP1_SCK__SSP1_SCK | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX23_PAD_PWM4__GPIO_1_30 | MXS_PAD_CTRL, /* write protect */ + MX23_PAD_PWM3__GPIO_1_29 | MXS_PAD_CTRL, /* power enable */ +}; + +static struct mxs_mmc_platform_data stmp378x_dvb_mmc_pdata __initdata = { + .wp_gpio = STMP378X_DEVB_MMC0_WRITE_PROTECT, +}; + +static struct spi_board_info spi_board_info[] __initdata = { +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) + { + .modalias = "enc28j60", + .max_speed_hz = 6 * 1000 * 1000, + .bus_num = 1, + .chip_select = 0, + .platform_data = NULL, + }, +#endif +}; + +static void __init stmp378x_dvb_init(void) +{ + int ret; + + mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads, + ARRAY_SIZE(stmp378x_dvb_pads)); + + mx23_add_duart(); + mx23_add_auart0(); + + /* power on mmc slot */ + ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER, + GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); + if (ret) + pr_warn("could not power mmc (%d)\n", ret); + + mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata); + + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); +} + +static void __init stmp378x_dvb_timer_init(void) +{ + mx23_clocks_init(); +} + +static struct sys_timer stmp378x_dvb_timer = { + .init = stmp378x_dvb_timer_init, +}; + +MACHINE_START(STMP378X, "STMP378X") + .map_io = mx23_map_io, + .init_irq = mx23_init_irq, + .init_machine = stmp378x_dvb_init, + .timer = &stmp378x_dvb_timer, +MACHINE_END diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c index 13647f301860..cace0d2e5a55 100644 --- a/arch/arm/mach-mxs/timer.c +++ b/arch/arm/mach-mxs/timer.c @@ -101,11 +101,6 @@ static cycle_t timrotv1_get_cycles(struct clocksource *cs) & 0xffff0000) >> 16); } -static cycle_t timrotv2_get_cycles(struct clocksource *cs) -{ - return ~__raw_readl(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1)); -} - static int timrotv1_set_next_event(unsigned long evt, struct clock_event_device *dev) { @@ -230,8 +225,8 @@ static int __init mxs_clockevent_init(struct clk *timer_clk) static struct clocksource clocksource_mxs = { .name = "mxs_timer", .rating = 200, - .read = timrotv2_get_cycles, - .mask = CLOCKSOURCE_MASK(32), + .read = timrotv1_get_cycles, + .mask = CLOCKSOURCE_MASK(16), .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -239,12 +234,11 @@ static int __init mxs_clocksource_init(struct clk *timer_clk) { unsigned int c = clk_get_rate(timer_clk); - if (timrot_is_v1()) { - clocksource_mxs.read = timrotv1_get_cycles; - clocksource_mxs.mask = CLOCKSOURCE_MASK(16); - } - - clocksource_register_hz(&clocksource_mxs, c); + if (timrot_is_v1()) + clocksource_register_hz(&clocksource_mxs, c); + else + clocksource_mmio_init(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1), + "mxs_timer", c, 200, 32, clocksource_mmio_readl_down); return 0; } |